spring cloud 配置文件:

新建 Spring Boot 项目，引入 config-server 和 starter-web

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
</dependency>

<!-- spring cloud config 服务端包 -->
<dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-config-server</artifactId>
</dependency>

通过nacos配置

bootstrap.yml 文件

spring:
  profiles:
    active: dev #配置文件
  application:
    name: basic # 应用名称

bootstrap-dev文件

spring:
  cloud:
    nacos:
      discovery:
        server-addr: ${NACOS_HOST:10.0.0.0}:${NACOS_PORT:32000} #nacos ip:post
        namespace: ${NACOS_NAMESPACE:dev} #配置文件区间
      config:
        prefix: ${spring.application.name} #nacos上配置文件名
        server-addr: ${NACOS_HOST:10.0.0.0}:${NACOS_PORT:32000}
        file-extension: yml #nacos上配置文件后缀, 和prefix组合成完整的配置文件名称(basic.yml)
        namespace: ${NACOS_NAMESPACE:dev}
        shared-configs: common.yml #共用配置文件

nacos : basic.yml文件

spring:  
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://10.0.0.0:35000/mysql_data?characterEncoding=UTF-8&useUnicode=true&useSSL=false&rewriteBatchedStatements=true&serverTimezone=Asia/Shanghai
    username: root
    password: 123456
    hikari:
      max-lifetime: 500000 #连接池存活事件,默认1800000即30分钟,0表示存活时间无限大,不等于0且小于30秒则会被重置回30分钟

nacos : common.yml文件

server:
  port: ${random.int[32768,32999]} #服务端口号区间
  undertow:
    accesslog:
      # 是否启动日志
      enabled: true
      # Undertow 日志存放目录
      dir: ./logs/${spring.application.name}/undertow/
    buffer-size: 1024
    direct-buffers: true
    threads:
      io: 16
      worker: 256
logging:
  file:
    name: ./logs/${spring.application.name}/log.log
# 应用监控    
management:
  endpoints:
    web:
      exposure:
        include: '*'
# openFeign公共配置
feign:
  httpclient:
    enabled: false
  sentinel:
    enabled: true
  okhttp:
    enabled: true
  compression:
    request:
      enabled: true
    response:
      enabled: true
  client:
    config:
      default:
        connect-timeout: 10000 #建立连接超时时长
        read-timeout: 10000 #读取超时时长
# spring 配置        
spring:
  cloud:
    config:
      # 相同参数，本地优先
      override-none: true
  # 消息队列配置      
  rabbitmq:
    host: 10.0.0.0
    port: 32250
    username: admin
    password: 123456
  # redis配置  
  redis:
    host: 10.0.0.0
    port: 32300
    database: 0
    password: 123456
    lettuce:
      pool:
        max-active: 300   #最大连接数
  sleuth:
    sampler:
      probability: 1.0
  mvc:
    throw-exception-if-no-handler-found: true
  jackson:
    time-zone: GMT+8
  servlet:
    multipart:
      # 单个请求最大值
      max-request-size: 50MB
      # 单个文件最大值
      max-file-size: 500MB